:root{
  --bg:#0f1524; --panel:#161d2e; --panel2:#1d263b; --border:#28324b; --text:#e6ebf5;
  --muted:#8a96b0; --accent:#3b82f6; --ok:#22c55e; --warn:#f59e0b; --bad:#ef4444; --chip:#223048;
  --logbg:#0b1020; --logtext:#c4d0e6;
}
:root[data-theme="light"]{
  --bg:#f4f6fb; --panel:#ffffff; --panel2:#f0f3f9; --border:#dde3ee; --text:#1a2233;
  --muted:#64748b; --accent:#2563eb; --ok:#16a34a; --warn:#d97706; --bad:#dc2626; --chip:#eef2f8;
  --logbg:#0f172a; --logtext:#cbd5e1;
}
:root[data-theme="light"] .b-ok{color:#15803d}
:root[data-theme="light"] .b-warn{color:#b45309}
:root[data-theme="light"] .b-bad{color:#b91c1c}
:root[data-theme="light"] .card{box-shadow:0 1px 3px rgba(16,24,40,.06)}
:root[data-theme="light"] .login-card{box-shadow:0 20px 60px rgba(16,24,40,.12)}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",Rubik,Arial,sans-serif;background:var(--bg);color:var(--text);}
.hidden{display:none!important}
.muted{color:var(--muted)}
.err{color:var(--bad);min-height:1.2em;margin-top:8px;font-size:.9rem}

/* login */
.login{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:radial-gradient(1200px 600px at 50% -10%,#1b2embed,transparent),var(--bg)}
.login-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:36px 32px;width:340px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.login-card .logo{font-size:44px}
.login-card h1{margin:8px 0 2px;font-size:1.5rem}
.login-card input{width:100%;margin-top:18px;padding:12px 14px;background:var(--panel2);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:1rem}
.login-card button{width:100%;margin-top:12px;padding:12px;background:var(--accent);color:#fff;border:0;border-radius:10px;font-size:1rem;cursor:pointer;font-weight:600}

/* layout */
.topbar{display:flex;align-items:center;gap:14px;padding:12px 22px;background:var(--panel);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}
.brand{font-weight:700;font-size:1.15rem;display:flex;align-items:center;gap:8px}
.host{color:var(--muted);font-size:.82rem}
.spacer{flex:1}
.ghost{background:var(--chip);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:8px 12px;cursor:pointer;font-size:.9rem}
.ghost:hover{background:var(--panel2)}
main{padding:22px;max-width:1200px;margin:0 auto}
.foot{text-align:center;color:var(--muted);padding:20px;font-size:.8rem}

/* system cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:18px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:18px;cursor:pointer;transition:.15s;position:relative;overflow:hidden}
.card:hover{border-color:var(--accent);transform:translateY(-2px)}
.card .bar{position:absolute;top:0;inset-inline-start:0;width:100%;height:4px}
.card h2{margin:6px 0 2px;font-size:1.2rem}
.card .dom{color:var(--muted);font-size:.82rem;margin-bottom:14px}
.row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-top:1px solid var(--border);font-size:.9rem}
.row:first-of-type{border-top:0}
.row b{font-weight:600}
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:.78rem;font-weight:600}
.b-ok{background:rgba(34,197,94,.15);color:#4ade80}
.b-warn{background:rgba(245,158,11,.15);color:#fbbf24}
.b-bad{background:rgba(239,68,68,.16);color:#f87171}
.b-idle{background:var(--chip);color:var(--muted)}
.kpis{display:flex;gap:8px;margin-top:12px}
.kpi{flex:1;background:var(--panel2);border:1px solid var(--border);border-radius:10px;padding:10px;text-align:center}
.kpi .v{font-size:1.35rem;font-weight:700}
.kpi .l{font-size:.72rem;color:var(--muted)}

/* detail */
.back{background:none;border:0;color:var(--accent);cursor:pointer;font-size:.95rem;margin-bottom:12px}
.dhead{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.dhead h1{margin:0;font-size:1.5rem}
.panel{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:18px;margin-bottom:18px}
.panel h3{margin:0 0 12px;font-size:1.05rem;display:flex;align-items:center;gap:8px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:820px){.cols{grid-template-columns:1fr}}
table{width:100%;border-collapse:collapse;font-size:.86rem}
th,td{text-align:right;padding:8px 10px;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-weight:600;font-size:.78rem}
tbody tr:hover{background:var(--panel2)}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.82rem}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.btn{border:0;border-radius:9px;padding:10px 16px;cursor:pointer;font-weight:600;font-size:.9rem}
.btn.primary{background:var(--accent);color:#fff}
.btn.green{background:var(--ok);color:#04220f}
.btn.warn{background:var(--warn);color:#3a2600}
.btn:disabled{opacity:.5;cursor:default}
pre.log{background:var(--logbg);border:1px solid var(--border);border-radius:10px;padding:14px;max-height:280px;overflow:auto;font-size:.78rem;line-height:1.5;white-space:pre-wrap;color:var(--logtext)}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.alert-banner{background:rgba(239,68,68,.14);border:1px solid rgba(239,68,68,.4);color:#fca5a5;border-radius:12px;padding:14px 16px;margin-bottom:18px;font-weight:600}
.sched-row{display:flex;align-items:center;gap:10px;margin:8px 0}
.sched-row label{width:130px;color:var(--muted)}
.sched-row input[type=text]{flex:1;background:var(--panel2);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:8px 10px;font-family:ui-monospace,monospace}
.sched-row input[type=checkbox]{width:18px;height:18px}
.hint{color:var(--muted);font-size:.78rem;margin-top:4px}
.toast{position:fixed;bottom:20px;inset-inline-start:20px;background:var(--panel);border:1px solid var(--border);border-inline-start:4px solid var(--ok);padding:12px 18px;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.4);z-index:20;max-width:520px}

/* help content */
.panel p{line-height:1.75;color:var(--text);margin:8px 0}
.panel ul{line-height:1.85;padding-inline-start:22px;margin:8px 0}
.panel li{margin:5px 0}
.panel h4{margin:14px 0 6px}
#help .badge{margin:0 2px}